[INFO] fetching crate vec-collections 0.3.3... [INFO] checking vec-collections-0.3.3 against beta for pr-78714 [INFO] extracting crate vec-collections 0.3.3 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate vec-collections 0.3.3 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate vec-collections 0.3.3 [INFO] finished tweaking crates.io crate vec-collections 0.3.3 [INFO] tweaked toml for crates.io crate vec-collections 0.3.3 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate vec-collections 0.3.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2be76c11b88539d2e973bdb195d49bc0aa920735f6df0c044ebaca51f3121d13 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2be76c11b88539d2e973bdb195d49bc0aa920735f6df0c044ebaca51f3121d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2be76c11b88539d2e973bdb195d49bc0aa920735f6df0c044ebaca51f3121d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2be76c11b88539d2e973bdb195d49bc0aa920735f6df0c044ebaca51f3121d13", kill_on_drop: false }` [INFO] [stdout] 2be76c11b88539d2e973bdb195d49bc0aa920735f6df0c044ebaca51f3121d13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bb782d2bf1623a737043f165f483131d6f51426dd58cc77228b3eac15ec8406 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8bb782d2bf1623a737043f165f483131d6f51426dd58cc77228b3eac15ec8406", kill_on_drop: false }` [INFO] [stderr] Checking sorted-iter v0.1.6 [INFO] [stderr] Checking stats_alloc v0.1.8 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking clap v2.33.2 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking rayon v1.3.1 [INFO] [stderr] Checking vec-collections v0.3.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stdout] warning: associated function is never used: `slice_iter` [INFO] [stdout] --> src/vec_map.rs:378:19 [INFO] [stdout] | [INFO] [stdout] 378 | pub(crate) fn slice_iter(&self) -> SliceIterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/multimap.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let x: Multimap = [(0, 0), (0, 1), (1, 0)].iter().cloned().collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> examples/multimap.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let y: BiMultimap = [(0, 0), (0, 1), (1, 0)].iter().cloned().collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/test_macros.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | / macro_rules! bitop_sub_not_all { [INFO] [stdout] 52 | | ($test:ty) => { [INFO] [stdout] 53 | | #[quickcheck] [INFO] [stdout] 54 | | fn bitand_all_neutral(x: $test) -> bool { [INFO] [stdout] ... | [INFO] [stdout] 93 | | }; [INFO] [stdout] 94 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `slice_iter` [INFO] [stdout] --> src/vec_map.rs:378:19 [INFO] [stdout] | [INFO] [stdout] 378 | pub(crate) fn slice_iter(&self) -> SliceIterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.14s [INFO] running `Command { std: "docker" "inspect" "8bb782d2bf1623a737043f165f483131d6f51426dd58cc77228b3eac15ec8406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bb782d2bf1623a737043f165f483131d6f51426dd58cc77228b3eac15ec8406", kill_on_drop: false }` [INFO] [stdout] 8bb782d2bf1623a737043f165f483131d6f51426dd58cc77228b3eac15ec8406